The power dissipated in a resistor is 12.8 watts when 4A current Is passed. Hw much power will be dissipated If 6A current Is passed through the same resistor?

For projectile motion, in the absence of air resistance:

UHS 2019
Physics
Motion in Two Dimensions
Elimination Tool:

Which of the following types of force can do no work on the body on which it operates?

NTS 2016 SMBBMC
Physics
Forces and Motion
Elimination Tool:

While using radiation therapy, cancerous thyroid is treated with ____ radioisotope:

PMC 2020
Physics
Nuclear Physics
Elimination Tool:

Which material is used as common conductor In daily use?

The dimensions of acceleration are:

NTS 2011
Physics
Measurements
Elimination Tool:

In hydrogen spectrum, Lyman and Balmer series belong to which region?

The phenomenon by which light travels in an optical fibres is:

NUMS 2016
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

A gas is enclosed in a container fitted with a piston of cross-sectional area of 0.10 m2. The pressure of the gas is maintained at 8000 N/m2. When heat is slowly transferred, the piston is pushed up through a distance of 4.0 cm. If 42 J heat is transferred to the system during the expansion, what is the change in the internal energy of the system?

NTS 2015 DUHS and JSMU
Physics
Work, Power and Energy
Elimination Tool:

A wave, which transfers _____ by moving away from the source of disturbance is called _____ wave.

NUMS Mock 1
Physics
Wave Motion and Sound

A box of mass m = 6 kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One-piece, with mass m1= 2 kg moves in the same direction with speed v1= 8 m/s . Find the velocity of the second piece.

NTS 2013
Physics
Motion in Two Dimensions
Elimination Tool:

The fractional change in resistance per kelvin is known as:

NUMS 2016
Physics
Current Electricity
Elimination Tool:

mλ=2dsin(θ) this relation is called as

NTS 2015 DUHS and JSMU
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

{j * j}.i

The young’s modulus of a given rod of uniform length ? is given by the relation:

ETEA 2018
Physics
Physics of Solids
Elimination Tool:

The change in resistance of metallic conductor at temperature below 0 degrees is:

PMC 2020
Physics
Current Electricity
Elimination Tool:

If the current flow increases to 100 times, the energy stored in the inductor will increase to:

Which of the following statement shows that no work is done?

NUMS Mock 4
Physics
Work, Power and Energy

Dimensions of U are

In S.H.M which of the following remains constant?

In going form a denser to rarer medium a array of light is

Which of the following field is dependent on the path?

The direction of the magnetic line of force depends upon:

NUMS 2016
Physics
Magnetism and Electromagnetic Induction
Elimination Tool:

A value for the acceleration of free fall on earth is given as (10+-2) m s-2. Which statement is correct?

ETEA 2017
Physics
Measurements
Elimination Tool:

A wave passes through a medium; each particle of the medium performs 100 complete vibrations in 5 seconds. What is the frequency of the wave?

PMC Practice 3
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

Input resistance of an Operational Amplifier is:

NUMS 2019 Reconduct
Physics
Electronics
Elimination Tool:

In CRO, electrons are emitted from:

What is the device which is used to measure magnetic field

Induced emf depends upon:

A ball moving horizontally with speed ‘v’ strikes the bob of a simple pendulum at rest. The mass of the bob is equal to that of the ball if the collision is elastic the bob will rise to a height:

NTS 2010
Physics
Circular Motion and Momentum
Elimination Tool:

Gamma rays are emitted from nuclei of radioactive atoms. They are nothing but:

NTS 2016 DUHS & JSMU
Physics
Nuclear Physics
Elimination Tool:

The temperature coefficient of normal-conductor is negative because:

NUMS 2020
Physics
Heat and Thermodynamics
Elimination Tool:

If two charged conductors are joined by wire, then which of following will happen?

Acceleration of a body executing SHM is directed towards:

The deviation of I-V graph from straight line is due to:

NUMS 2016
Physics
Current Electricity
Elimination Tool:

if a hole is dug to the center of earth and a ball is dropped in it, the ball will:

What is farad of electricity?

Two equal, opposite charges are fixed at a distance d. Positive charge is at the right and negative at the left position. As shown below:

X – Y + Z

At which position, the net electric field is directed to the left?

PMC Sample 2
Physics
Electrostatics
Elimination Tool:

A particle with Initial velocity 40 m/s moving with a constant acceleration 10 m/s  Is distance covered In 5 second will be

Which of the following can’t be used as a dielectric in a capacitor

Final image produced by a compound microscope is

If a wire of resistance R is stretched into double of its length, then it’s resistance becomes _________.

NUMS 2019 Reconduct
Physics
Current Electricity
Elimination Tool:

Michelson measured the length of a standard meter in terms of the wavelength of:

PMC Practice 2
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

What are the units of a and b In v = a + bt, where unit of v=ms^-1 and t=s

Projectile must be launched at which angle with the horizontal to attain maximum range?

NTS 2011
Physics
Motion in Two Dimensions
Elimination Tool:

If the mass and radius of Earth arc reduced to one fourth, the escape velocity will.

Negative strain indicates that

What will be impact on the frequency of a simple pendulum if the length of pendulum is halved
and value of gravity is doubled?

An alternating voltage source is connected to a resistor R, and a capacitor C, then which of the following statements about phase angle between voltage V and current I is correct?

NUMS 2019 Cancelled
Physics
Alternating Current
Elimination Tool:

What is the unit of Power

A and B are bulbs connected in series with 40-volt battery and a bulb C is connected with 40-volt battery Glow of bulbs will be:

Value of Wien’s constant is?

Monochromatic light means the light having:

NUMS 2018
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

In a river flow of water is maximum at

A particle is travelling along a straight line OX. The distance x (in metre) of the particle from O at a time ′t′ is given by x = 37 +27t – t3 , where ‘t’ is time in seconds. The distance of the particle from O, when it comes to rest is:

NUMS 2014
Physics
Forces and Motion
Elimination Tool:

Michelson’s interferometer works on the principle of:

PMC Practice 21
Physics
Electromagnetic Waves
Elimination Tool:

Red light is used in photographic dark room because of:

NUMS 2020
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

When two suspended objects are seem to attract each other electrically:

Simple Harmonic Motion of a body is described by which statements mentioned below:

K : K.E is maximum when displacement x = 0

L : P.E is maximum when x = 0

M : P.E is maximum when x = ± x0

UHS 2018
Physics
Oscillations and Simple Harmonic Motion
Elimination Tool:

What is the change in kinetic energy of a proton when it is accelerated through a potential difference of 2MV?

PMC Sample 1
Physics
Electrostatics
Elimination Tool:

When photons are incident on a metal, electrons are emitted. The process is called:

NTS 2016 SMBBMC
Physics
Dawn of Modern Physics
Elimination Tool:

A battery whose emf is 40 V has an internal resistance of 5 Ohms. If this battery is connected to a 15 Ohms resistor ‘R’, what will be the voltage drop across ‘R’:

NTS 2010
Physics
Current Electricity
Elimination Tool:

If a wire having current 10A has a 3T magnetic field, what will be the magnetic field at a point from the wire at double the distance?

NUMS Mock 3
Physics
Magnetism and Electromagnetic Induction

The wave in which crest and trough superimpose each other is ?

PMC 2021 Tested
Physics
Electromagnetic Waves
Elimination Tool:

If a force of 1 N acts on a body through a distance of 1 m in the direction of force, how much
work is done?

If both inputs “A” and “B” are ON and the output is also ON. This type of gate is known as:

NUMS 2017
Physics
Electronics
Elimination Tool:

In motion of satellites, necessary centripetal force is provided by:

NUMS 2020
Physics
Circular Motion and Momentum
Elimination Tool:

Alpha scattering experiment was conducted In which year? •

Momentum of a photon is?

PMC Practice 2
Physics
Dawn of Modern Physics
Elimination Tool:

The half-life of a radioactive element depends upon:

NUMS Mock 4
Physics
Nuclear Physics

In a half wave rectifier, the diode conducts during:

NUMS 2019 Reconduct
Physics
Alternating Current
Elimination Tool:

A spring in SHM oscillates between -A and A with time period T. If the spring starts from mean position and moves towards A, at what time will it be at a distance of A/2 from the mean position?

Formation of colours in a thin film of oil is due to:

NTS 2015 SMBBMC
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

One of the following is an Ohmic device:

PMC 2020
Physics
Current Electricity
Elimination Tool:

Dimension of power?

A shock wave is produced due to an earthquake which makes the buildings move in the direction of the shock wave. Which progressive wave would this be?

NUMS Mock 3
Physics
Wave Motion and Sound

Coherent source of light means?

PMC Practice 3
Physics
Optics, Nature of Light and Optical Instruments
Elimination Tool:

What force should be applied on a 10 kg body so that it moves down in a vacuum with an acceleration of 3 m/s2 ? (Take g=9.8 m/s2)

NUMS Mock 3
Physics
Forces and Motion

If Cp = 10 & Cv = 7, then the general gas constant equals:

Which of the following is the pair of isobars?

NUMS Mock 1
Physics
Nuclear Physics

Polarization explains light is ———

PMC Practice 8
Physics
Electromagnetic Waves
Elimination Tool:

A body of mass 0.5 kg starts from rest (t=0) & experiences a force F. 8i + 6j. What will be its
velocity at t=1 if A covers a distance of 4m?

The deviation of I-V graph from straight line is due to:

NUMS Mock 1
Physics
Current Electricity

Light rays coming from the tube light are

Trough of a wave acts as:

NUMS 2020
Physics
Wave Motion and Sound
Elimination Tool:

Which of the following Is not true about radioactivity?

If the temperature of diode increases the leakage current will

PMC Sample 2
Physics
Electronics
Elimination Tool:

When the drag force is equal to the weight of the droplet, the droplet will fall with:

UHS 2011
Physics
Fluid Dynamics
Elimination Tool:

A system absorbs 1000 Joules of heat and delivers 600 Joules of work, while losing 100 Joules of heat by conduction to the atmosphere, the change in the internal energy of the system will be:

NTS 2012
Physics
Heat and Thermodynamics
Elimination Tool: